package?com.dhcc.util;

import?java.security.Key;
import?java.security.SecureRandom;
import?javax.crypto.Cipher;
import?javax.crypto.SecretKeyFactory;
import?javax.crypto.spec.DESedeKeySpec;
import?sun.misc.base64Decoder;
import?sun.misc.base64Encoder;
??
??
/**??
?*?des加密解密??
?*???
?*?@author??
?*???
?*/??
public?class?DesEncrypt?{??
??
????Key?key;??
??
????public?DesEncrypt（String?str）?{??
????????setKey（str）;//?生成密匙??
????}??
??
????public?DesEncrypt（）?{??
????????setKey（“abc123.*abc123.*abc123.*abc123.*“）;??
????}??
??
????/**??
?????*?根據參數生成KEY??
?????*/??
????public?void?setKey（String?strKey）?{??
????????try?{?
????????	//對比DES
????????????SecretKeyFactory?keyFactory?=?SecretKeyFactory.getInstance（“DESede“）;??
????????????this.key??=?keyFactory.generateSecret（new?DESedeKeySpec（strKey.getBytes（“UTF8“）））;??
????????}?catch?（Exception?e）?{??
????????????throw?new?RuntimeException（??
????????????????????“Error?initializing?SqlMap?class.?Cause:?“?+?e）;??
????????}??
????}??
??
??????
????/**??
?????*?加密String明文輸入String密文輸出??
?????*/??
????public?String?encrypt（String?strMing）?{??
????????byte[]?byteMi?=?null;??
????????byte[]?byteMing?=?null;??
????????String?strMi?=?““;??
????????base64Encoder?base64en?=?new?base64Encoder（）;??
????????try?{??
????????????byteMing?=?strMing.getBytes（“UTF8“）;??
????????????byteMi?=?this.getEncCode（byteMing）;??
????????????strMi?=?base64en.encode（byteMi）;??
????????}?catch?（Exception?e）?{??
????????????throw?new?RuntimeException（??
????????????????????“Error?initializing?SqlMap?class.?Cause:?“?+?e）;??
????????}?finally?{??
????????????base64en?=?null;??
????????????byteMing?=?null;??
????????????byteMi?=?null;??
????????}??
????????return?strMi;??
????}??
??
????/**??
?????*?解密?以String密文輸入String明文輸出??
?????*???
?????*?@param?strMi??
?????*?@return??
?????*/??
????public?String?decrypt（String?strMi）?{??
????????base64Decoder?base64De?=?new?base64Decoder（）;??
????????byte[]?byteMing?=?null;??
????????byte[]?byteMi?=?null;??
????????String?strMing?=?““;??
????????try?{??
????????????byteMi?=?base64De.decodeBuffer（strMi）;??
????????????byteMing?=?this.getDesCode（byteMi）;??
????????????strMing?=?new?String（byteMing?“UTF8“）;??
????????}?catch?（Exception?e）?{??
????????????throw?new?RuntimeException（??
????????????????????“Error?initializing?SqlMap?class.?Cause:?“?+?e）;??
????????}?finally?{??
????????????base64De?=?null;??
????????????byteMing?=?null;??
????????????byteMi?=?null;??
????????}??
????????return?strMing;??
????}??
??
????/**??
?????*?加密以byte[]明文輸入byte[]密文輸出??
?????*???
?????*?@param?byteS??
?????*?@return??
?????*/??
????private?byte[]?getEncCode（byte[]?byteS）?{??
????????byte[]?byteFina?=?null;??
????????Cipher?cipher;??
????????try?{//對比DES?
????????????cipher?=?Cipher.getInstance（“DESede“）;??
????????????cipher.init（Cipher.ENCRYPT_MODE?keySecureRandom.getInstance（“SHA1PRNG“））;??
????????????byt

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-15?09:28??端對端加密（Js+Java）\
?????文件????????4577??2017-12-07?16:56??端對端加密（Js+Java）\DesEncrypt.java
?????文件????????2746??2017-12-15?09:45??端對端加密（Js+Java）\index.html
?????文件???????92556??2017-08-25?17:08??端對端加密（Js+Java）\jquery-1.8.0.min.js
?????文件?????????392??2017-12-14?21:41??端對端加密（Js+Java）\mode-ecb-min.js
?????文件???????21399??2017-12-14?21:41??端對端加密（Js+Java）\tripledes.js